House Roof Strength Test

Roof strength test overview roof strength evaluations consist of a quasi static test conducted on a vehicle s roof in a manner similar to tests used to judge compliance with federal motor vehicle safety standard 216 office of the federal register 2009.
House roof strength test. The standard guide in the u s the asce 7 05 lists weights and stresses for all building materials expressed in pounds per square foot. The standard test for tear strength is called the elmendorf test. Federal motor vehicle safety standards. 49 cfr parts 571 and 585216 as part of a comprehensive plan for reducing the risk of rollover crashes and the risk of death and serious injury in those crashes this final rule upgrades the agency s safety standard on roof crush resistance in several ways.
Supplemental notice of proposed rulemaking snprm. The three types of asphalt shingles we test are. These single layer shingles are typically. The roof strength rating is based on a test in which a metal plate is pushed against one side of the vehicle s roof at a slow constant speed.
4 of 12 small suvs evaluated earn top marks arlington va the insurance ins. The main differences between the procedure specified by the insurance institute for. This rating only applies to the specific seat head restraint combination tested indicated on the vehicle details page. The head restraints seats rating is based on a sled test of the vehicle s seat and head restraint.
3 tab architectural laminated and multilayered architectural. Calculating the load on a flat roof is a challenging task for the layperson that involves knowledge of building materials their weights and local building codes. Iihs news release march 24 2009 roof strength is focus of new rating system. Subaru forester given top rating in iihs roof strength test.
Roof crush resistance 222 13 kb final rule. The most common type are 3 tab shingles. Designed to help consumers pick vehicles that will help protect them in rollover crashes twelve small.